This chapter introduces basic concepts about XML and JSON. At the end of this chapter there is an exercise for environment setup.
What is XML?
eXtensible Markup Language - XML is a text-based markup language which is standard for data interchange on the Web. As with HTML, you identify data using tags (identifiers enclosed in angle brackets, like this: <...>). Collectively, the tags are known as “markup .” It puts a label on a piece of data that identifies it (for example: <message>...</message>). In the same way that you define the field names for a data structure, you are free to ...
